||'''Book'''|| Linear Algebra ||
 ||'''Author'''|| Gilbert Strang ||
 ||'''Edition'''||  ||



{{{
a=matrix([[1,0,0],[-5,1,0],[0,0,1]])
b=a.inverse()
print 'Inverse of a',b
print 'Product of a and a inverse', a*b
}}}

 * '''Solution by''': 
S.K.Manoj, Student, IIIT Hyderabad